CVE-2026-43498

{"id": "CVE-2026-43498", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "57557964b582238d5ee4b8538d1c4694f91c2186", "lessThan": "3756043dd695bba34cc728cdc5688dcb49ac8043", "versionType": "git"}, {"status": "affected", "version": "57557964b582238d5ee4b8538d1c4694f91c2186", "lessThan": "7dd57d7a6350770dfc283287125c409e995200e0", "versionType": "git"}], "programFiles": ["drivers/accel/ivpu/ivpu_drv.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.19"}, {"status": "unaffected", "version": "0", "lessThan": "6.19", "versionType": "semver"}, {"status": "unaffected", "version": "7.0.7", "versionType": "semver", "lessThanOrEqual": "7.0.*"}, {"status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/accel/ivpu/ivpu_drv.c"], "defaultStatus": "affected"}]}], "published": "2026-05-21T13:16:19.200", "references": [{"url": "https://git.kernel.org/stable/c/3756043dd695bba34cc728cdc5688dcb49ac8043", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7dd57d7a6350770dfc283287125c409e995200e0", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ivpu: Disallow re-exporting imported GEM objects\n\nPrevent re-exporting of imported GEM buffers by adding a custom\nprime_handle_to_fd callback that checks if the object is imported\nand returns -EOPNOTSUPP if so.\n\nRe-exporting imported GEM buffers causes loss of buffer flags settings,\nleading to incorrect device access and data corruption."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\naccel/ivpu: Prohibir la reexportaci\u00f3n de objetos GEM importados\n\nSe evita la reexportaci\u00f3n de b\u00faferes GEM importados a\u00f1adiendo una funci\u00f3n de devoluci\u00f3n de llamada (callback) prime_handle_to_fd personalizada que verifica si el objeto es importado y devuelve -EOPNOTSUPP en ese caso.\n\nLa reexportaci\u00f3n de b\u00faferes GEM importados provoca la p\u00e9rdida de la configuraci\u00f3n de los indicadores del b\u00fafer, lo que lleva a un acceso incorrecto al dispositivo y a la corrupci\u00f3n de datos."}], "lastModified": "2026-07-23T16:10:00.137", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D0893CA7-9AE6-4DFE-AC75-48967D73AD8E", "versionEndExcluding": "7.0.7", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B1EF7059-E670-45F4-B422-54C40FA86390"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0D38F0BF-A728-4133-A358-D44A2F7EE6D6"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}